nixos/system/chromium.nix

{...}: {
  programs.chromium = {
    enable = true;
    defaultSearchProviderEnabled = true;
    defaultSearchProviderSearchURL = "https://search.atlas.engineer/searxng/search?q={searchTerms}";
    defaultSearchProviderSuggestURL = "https://duckduckgo.com/?q={searchTerms}";
    extraOpts = {
      "BrowserSignin" = 0;
      "ClearBrowsingDataOnExitList" = [
        "browsing_history"
        "download_history"
        "cookies_and_other_site_data"
        "cached_images_and_files"
        "password_signin"
        "autofill"
        "site_settings"
        "hosted_app_data"
      ];
      "DefaultBrowserSettingEnabled" = false;
      "DeviceAutoUpdateDisabled" = true;
      "SyncDisabled" = true;
      "PasswordManagerEnabled" = false;
      "SpellcheckEnabled" = true;
      "SpellcheckLanguage" = ["en-GB"];
      "AllowDinosaurEasterEgg" = true;
      "AllowSystemNotifications" = true;
      "AutoFillEnabled" = false;
      "BrowserLabsEnabled" = false;
      "BookmarkBarEnabled" = false;
      "ShowHomeButton" = false;
      "HomepageIsNewTabPage" = false;
      "RestoreOnStartup" = 5;
    };
  };
}